OK! Magazine participates in various affiliate marketing programs, which means we may get paid commissions on editorially chosen products purchased through our links to retailer sites.

X marks the spot! Kellan Lutz looks smokin’ in the new Calvin Klein underwear campaign. The Twilight hunk seems totally comfortable in practically nothing, as he joins the ranks of Marky Mark Wahlberg and other A-listers who have stripped down to their skivvies for the famed title of “Calvin Klein underwear model.”

The 24-year-old is featured wearing CK’s X Underwear, a new line hitting stores this month.